// Copyright (c) 2019 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package block

// NoopLeaseManager is a no-op implementation of LeaseManager.
type NoopLeaseManager struct{}

func (n *NoopLeaseManager) RegisterLeaser(leaser Leaser) error {
	return nil
}

func (n *NoopLeaseManager) UnregisterLeaser(leaser Leaser) error {
	return nil
}

func (n *NoopLeaseManager) OpenLease(
	leaser Leaser,
	descriptor LeaseDescriptor,
	state LeaseState,
) error {
	return nil
}

func (n *NoopLeaseManager) OpenLatestLease(
	leaser Leaser,
	descriptor LeaseDescriptor,
) (LeaseState, error) {
	return LeaseState{}, nil
}

func (n *NoopLeaseManager) UpdateOpenLeases(
	descriptor LeaseDescriptor,
	state LeaseState,
) (UpdateLeasesResult, error) {
	return UpdateLeasesResult{}, nil
}

func (n *NoopLeaseManager) SetLeaseVerifier(leaseVerifier LeaseVerifier) error {
	return nil
}
